Answer 1.2

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              Chemical Equilibria|Le Chatelier's Principle|Factors Affecting Chemical equilibria|
                      The Haber Process|The Contact Process|Equilibrium Constants

(a) What is meant by a reversible reaction?

(b) An increase in temperature of the following reversible reaction causes more of the CuSO4 (aq) to be formed. What can be deduced about the enthalpy of the reaction? Explain your deductions.

CuSO4 (aq) <=> CuSO4 . 5H2O


(a) A reversible reaction is one which can go both forward and backward.

(b) Enthalpy change for the reaction is exothermic. An increase in temperature will thus favour the backward reaction so as to decrease the temperature.